Properties of the Atmospheric Boundary Layer Above a Subtropical Oceanic Front.

The marine atmospheric boundary layer (MABL) and synoptic-scale situation is described using rawinsonde and sea-surface temperature (SST) data collected during the 1986 Frontal Air-Sea Interaction Experiment (FASINEX). The data obtained from 14 February to 09 March 1986 are divided into eight consec...

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Bibliographic Details
Main Author: Higgins,John P
Other Authors: NAVAL POSTGRADUATE SCHOOL MONTEREY CA
Format: Text
Language:English
Published: 1987
Subjects:
Meteorology
Physical and Dynamic Oceanography
*BOUNDARY LAYER
*MARINE ATMOSPHERES
FLOW
PATTERNS
LOW PRESSURE
LAYERS
MIXING
TEMPERATURE
OCEAN SURFACE
SURFACE TEMPERATURE
HUMIDITY
CONVERGENCE
AIRCRAFT
SHIPBOARD
FRONTS(OCEANOGRAPHY)
SUBTROPICAL REGIONS
AIR WATER INTERACTIONS
EARTH ATMOSPHERE
ATMOSPHERIC SOUNDING
METEOROLOGICAL DATA
SYNOPTIC METEOROLOGY
NORTH ATLANTIC OCEAN
TEMPERATURE GRADIENTS
BAROMETRIC PRESSURE
THESES
FASINEX(Frontal Air Sea Interaction Experiment)
Marine atmospheric boundary layer
Western Atlantic Ocean
North Atlantic
Online Access:http://www.dtic.mil/docs/citations/ADA184006
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA184006
Description
Summary:The marine atmospheric boundary layer (MABL) and synoptic-scale situation is described using rawinsonde and sea-surface temperature (SST) data collected during the 1986 Frontal Air-Sea Interaction Experiment (FASINEX). The data obtained from 14 February to 09 March 1986 are divided into eight consecutive three-day periods and analyzed. Significant changes in synoptic-scale features and flow patterns occurred during each three-day period due to movement of low pressure systems. MABL changes noted were due primarily to large scale convergence. Thirteen pairs of rawinsonde launches, seven from opposite sides of an oceanic front and six from the same side (five warm, one cold) are compared. The time difference between soundings in each pair did not exceed sixty minutes. Boundary layer height, mixed layer potential temperature and specific humidity differences between paired rawinsonde launches were larger when launches were from opposite sides of the oceanic front. A combination of both shipboard and aircraft data will be necessary to further describe the conditions of the MABL and synoptic-scale situation.

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